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Fire in Tropical Savannas
Fire is a major agent of disturbance in many biomes of the world but is a particularly important feature of tropical savannas. Up to 50% of the ext- sive tropical savanna …
Ecology and Decline of Red Spruce in the Eastern United States
In the early 1980s there were several published reports of recent, unexplained increases in mortality of red spruce in the Adirondack Mountains and the northern Appalachian …
Fire in Tropical Savannas
Fire is a major agent of disturbance in many biomes of the world but is a particularly important feature of tropical savannas. Up to 50% of the ext- sive tropical savanna …
The Response of Western Forests to Air Pollution
John Sculley In the short history of personal computing, the task of the software programmer has been one of the least recognized-but one of the most significant-in the industry. …